public class 作业4 {
    public static void main(String[] args) {
        int a= 7/2 ;
        System.out.println(a);

        int b =10 % 3;
        System.out.println(b);

        double c= 5 /2;
        System.out.println(c);

        int x =12 / 3;
        System.out.println(x);

        int y =17%5;
        System.out.println(y);

        int d =78;
        String leve1 = d >=60 ?"通过":"补考";
        System.out.println(leve1);

        int e =85;
        String grade = e >=60? "合格" : "不合格";
        grade =e >= 90? "优秀":grade;
        System.out.println(grade);

    }
}
